HAR/JSON viewer

SUMMARY

Embedded HAR/JSON viewer. Visualizes HTTP Archive (HAR) files opened locally or online. Also features JSON tree view for HAR and any structured JSON files. Allows to switch between HAR (if available), JSON tree and plain (original) views.
Note: In order to get this viewer working with local files you have to grant the respective permission: chrome://extensions -> HAR/JSON viewer -> Details -> Allow access to File URLs.

The latest version of HAR/JSON viewer is available on the Chrome web and is currently being used by 10,000 active users. The initial version was launched on 2020-09-15.

HOW TO INSTALL HAR/JSON viewer FROM A CRX FILE

1. Download HAR/JSON viewer CRX file
2. NOTE: Sometimes the browser may block downloading / installing CRX file from outside the Chrome Web Store. If so, you may need to download the ZIP file instead
3. In the URL bar, go to chrome://extensions
4. Enable Developer mode

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